Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

World Asteroid Day 2025 is upon us! Here's how you can celebrate the event by livestreaming real-time views of near-Earth ...

Just weeks after Sierra Space Corp. publicly launched operations at a manufacturing facility in Centennial, the aerospace ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Southwest Research Institute has delivered the novel Compact Dual Ion Composition Experiment (CoDICE) instrument for final ...

Explore the future of energy at the International Conference on Energy from Space 2025, focusing on space solar power.

A team of researchers has outlined how a new "direct fusion drive" propulsion system could allow us to reach Sedna this ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

The exoplanet, a planet beyond our solar system, has been dubbed TWA 7b after NASA's James Webb Space Telescope captured evidence of it.